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535311

Poly(N-isopropylacrylamide)

Mn ~40,000

Synonym(s):

NIPAM polymer, PNIPAM, Polyacrylamide, polyNIPAM

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About This Item

Linear Formula:
CH3(C6H11NO)nCH3
CAS Number:
25189-55-3
NACRES:
NA.23
PubChem Substance ID:
24877546
UNSPSC Code:
12162002
MDL number:
MFCD00284282
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Quality Level

100

mol wt

Mn 20,000-60,000, Mn ~40,000

mp

96 °C

SMILES string

CC(C)NC(=O)C=C

InChI

1S/C6H11NO/c1-3-5-7-6(8)4-2/h4H,2-3,5H2,1H3,(H,7,8)

InChI key

WDFKEEALECCKTJ-UHFFFAOYSA-N

Application

PNIPAM-based Smart Surfaces for Cell Sheet Tissue Engineering
Thermosensitive polymer, can be used to form a hydrogel. Aqueous polymer solution undergoes a phase transition from a soluble to an insoluble state when the temperature is raised to ca. 32 °C.

Physical form

Thermosensitive polymer, hydrogel

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKBB0341
69998MJ
02321EJ
05002KH
12631EH

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Articles

Designing Temperature and pH Sensitive NIPAM Based Polymers

Poly(N-isopropylacrylamide), or PNIPAM, is a stimuli-responsive polymer that responds to changes in pH and temperature and has a LCST around 32 C.

Smart Nanofiber Meshes as a Local Drug Delivery Platform

Professor Mitsuhiro Ebara provides insights on several types of smart nanofiber mesh systems that have been explored for different drug delivery purposes.

Stimuli-Responsive Materials as Intelligent Drug Delivery Systems

By altering the physicochemical properties, smart or intelligent drug delivery systems can be designed to deliver therapeutic molecules on-demand. Learn more about the application of stimuli-responsive materials in drug delivery.

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Manuel Pernia Leal et al.
ACS nano, 6(12), 10535-10545 (2012-11-03)
We report a procedure to grow thermo-responsive polymer shells at the surface of magnetic nanocarriers made of multiple iron oxide superparamagnetic nanoparticles embedded in poly(maleic anhydride-alt-1-ocatadecene) polymer nanobeads. Depending on the comonomers and on their relative composition, tunable phase transition
Albert J de Graaf et al.
Journal of controlled release : official journal of the Controlled Release Society, 162(3), 582-590 (2012-09-14)
In this paper it is shown that when a thermosensitive hydrogel based on poly(N-isopropylacrylamide)-poly(ethylene glycol)-poly(N-isopropylacrylamide) (pNIPAm-PEG-pNIPAm) was transferred into water, flower-like micelles were continuously released as long as the medium was regularly refreshed. On the other hand, if the medium
Guiying Li et al.
International journal of biological macromolecules, 50(4), 899-904 (2012-06-09)
Thermo-sensitive poly(N-isopropyl acrylamide-co-vinyl pyrrolidone)/chitosan [P(NIPAM-co-NVP)/CS] semi-IPN hydrogels with improved loading capacity and sustained release for anionic drugs NAP were prepared by free-radical polymerization. The LCST of hydrogels was adjusted to the vicinity of body temperature by introducing hydrophilic NVP. The
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Global Trade Item Number

SKUGTIN
535311-10G04061832565125